-76.29% is the change from 991 to 235
Calculation steps:
[( 235 - 991 ) ÷ 991] x 100 = -76.29%
Formula
Percentage change = [(235 - 991) / 991] x 100
Subtract the new number by the original number
235 - 991 = -756
-756 ÷ 991 = -0.7628657921291625
-0.7628657921291625 x 100 = -76.29%